-- @owner: lihongji
-- @date: 2022/07/26
-- @testpoint: 多参和少参数测试，合理报错

--step1:建表;expect:成功
drop table if exists t_var_pop_samp_variance;
create table t_var_pop_samp_variance(
 col_1 integer,
 col_2 bigint,
 col_3 float8,
 col_4 decimal(12,6),
 col_5 bool,
 col_6 char(30),
 col_7 varchar2(50),
 col_8 varchar(30),
 col_9 interval day to second,
 col_10 timestamp,
 col_11 date,
 col_12 date,
 col_13 timestamp without time zone,
 col_14 blob,
 col_15 clob,
 col_16 int[]
) with (storage_type=ustore);

--step2:创建序列;expect:成功
drop sequence if exists pop_samp_variance_seq;
create sequence pop_samp_variance_seq increment by 1 start with 10;

--step3:清空数据后插入数据;expect:成功
truncate table t_var_pop_samp_variance;
begin
 for i in 1..50 loop
  insert into t_var_pop_samp_variance values(
  i,
  pop_samp_variance_seq.nextval+i,
  i+445.255,
  98*0.99*i,
  true,
  lpad('abc','30','@')::varchar,
  lpad('abc','50','b')::varchar2,
  lpad('abc','30','@')::varchar,
  (interval '4 5:12:10.222' day to second(3)),
  to_timestamp('2019-01-03 14:58:54.000000','yyyy-mm-dd hh24:mi:ss.ffffff'),
  to_timestamp('2019-01-03 14:58:54.000000','yyyy-mm-dd hh24:mi:ss.ffffff'),
  to_timestamp('2019-01-03 14:58:54.000000','yyyy-mm-dd hh24:mi:ss.ffffff'),
  to_timestamp('2019-01-03 14:58:54.000000','yyyy-mm-dd hh24:mi:ss.ffffff'),
  lpad('10','12','01010')::blob,
  rpad('abc','9','a@123&^%djgk')::clob,
  '{32,535,5645645,6767,76,67,56,48,979,978,7}'
  );
 end loop;
end;
/
insert into t_var_pop_samp_variance select * from t_var_pop_samp_variance;
insert into t_var_pop_samp_variance select * from t_var_pop_samp_variance;

--step4:查询;expect:合理报错
select regr_avgy(1,343,565,78567,7865,45654) from t_var_pop_samp_variance order by 1;
select regr_avgy() from t_var_pop_samp_variance order by 1;
select regr_avgy('',null,null) from t_var_pop_samp_variance order by 1;

--step5:清理环境;expect:成功
drop sequence if exists pop_samp_variance_seq;
drop table if exists t_var_pop_samp_variance cascade;